JP2003170915A - Sealing device - Google Patents

Sealing device

Info

Publication number
JP2003170915A
JP2003170915A JP2001370935A JP2001370935A JP2003170915A JP 2003170915 A JP2003170915 A JP 2003170915A JP 2001370935 A JP2001370935 A JP 2001370935A JP 2001370935 A JP2001370935 A JP 2001370935A JP 2003170915 A JP2003170915 A JP 2003170915A
Authority
JP
Japan
Prior art keywords
counter
jaw
cutter
heat seal
packaging material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2001370935A
Other languages
Japanese (ja)
Other versions
JP4007803B2 (en
Inventor
Keiji Yano
恵治 矢野
Kozo Yoshida
浩三 吉田
Takashige Yano
孝林 矢野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nihon Tetra Pak KK
Original Assignee
Nihon Tetra Pak KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2001370935A priority Critical patent/JP4007803B2/en
Application filed by Nihon Tetra Pak KK filed Critical Nihon Tetra Pak KK
Priority to PCT/JP2002/012622 priority patent/WO2003047978A1/en
Priority to AT02786009T priority patent/ATE506260T1/en
Priority to ES02786009T priority patent/ES2360606T3/en
Priority to US10/497,649 priority patent/US7389623B2/en
Priority to EP02786009A priority patent/EP1452451B1/en
Priority to KR1020047008556A priority patent/KR101017197B1/en
Priority to DE60239826T priority patent/DE60239826D1/en
Priority to CNB028278615A priority patent/CN100402380C/en
Priority to AU2002354175A priority patent/AU2002354175B2/en
Publication of JP2003170915A publication Critical patent/JP2003170915A/en
Application granted granted Critical
Publication of JP4007803B2 publication Critical patent/JP4007803B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/24—Applying or generating heat or pressure or combinations thereof to produce bead seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3656—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3668—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special induction coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7373—Joining soiled or oxidised materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81457—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2049—Package shaping devices acting on filled tubes prior to sealing the filling opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/207—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web advancing continuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To improve sanitation of a packaging container and a flap forming property of the container. <P>SOLUTION: A sealing device comprises a heat seal jaw and two heaters disposed parallel to each other, and further comprises a heat seal bar fitted to a front end of the heat seal jaw, a counter jaw disposed facing the heat seal jaw, a counter rail fitted to a front end of the counter jaw, a driving means to relatively advance/retract the heat seal jaw and the counter jaw, and a heating means to work the heaters while a packaging material is held by the heat seal jaw and the counter jaw. When the packaging material is not held by the heat seal jaw and the counter jaw, the counter cutter is fitted to a holding part while a part of the counter cutter is protruded from an inlet surface of the holding part. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、シール装置に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing device.

【０００２】[0002]

【従来の技術】従来、牛乳、清涼飲料等の液体食品を収
容する包装容器を製造する場合、可撓（とう）性の積層
材料から成るウェブ状の包材が充填（てん）機に送ら
れ、該充填機において、前記包材が長手方向にシールさ
れてチューブ状になり、該チューブ状の包材は、上方か
ら液体食品が充填され、連続的に下方に搬送される。そ
して、前記チューブ状の包材は、シール装置に送られ、
該シール装置において両側から密封ユニットに挟持さ
れ、所定の間隔ごとに横方向にシールされる。その後、
横方向にシールされた部分を切断すると、一定量の液体
食品を収容する複数の原型容器が形成され、該原型容器
が成形されて包装容器になる。2. Description of the Related Art Conventionally, when manufacturing a packaging container for storing liquid food such as milk and soft drinks, a web-shaped packaging material made of a flexible laminated material is sent to a filling machine. In the filling machine, the packaging material is sealed in the longitudinal direction to form a tube, and the tube-shaped packaging material is filled with liquid food from above and continuously conveyed downward. Then, the tubular packaging material is sent to a sealing device,
The sealing device sandwiches the sealing unit from both sides and seals laterally at predetermined intervals. afterwards,
When the laterally sealed portion is cut, a plurality of prototype containers containing a certain amount of liquid food are formed, and the prototype containers are molded into a packaging container.

【０００３】ところで、前記密封ユニットは、互いに対
向させて、かつ、進退自在に配設されたカウンタジョー
及びヒートシールジョーを備え、前記カウンタジョーに
カウンタレールが、ヒートシールジョーにヒートシール
バーがそれぞれ取り付けられる。The sealing unit includes a counter jaw and a heat seal jaw which are arranged to face each other and are movable back and forth. The counter jaw has a counter rail and the heat seal jaw has a heat seal bar. It is attached.

【０００４】図３は内容液が充填された包材を横シール
するためのシール装置の概略図である。図５は従来の密
封ユニットによるカッターカウンター部の説明図であ
る。図６は内容液が充填された容器のフラップの折り畳
みを示す斜視図である。FIG. 3 is a schematic view of a sealing device for laterally sealing a packaging material filled with a content liquid. FIG. 5: is explanatory drawing of the cutter counter part by the conventional sealing unit. FIG. 6 is a perspective view showing folding of the flap of the container filled with the content liquid.

【０００５】図において、２８はカウンタレール、２９
はヒートシールバーであり、カウンタレール２８とヒー
トシールバー２９との間に二重に重ねられたウェブ状の
包材１０が挟まれる。前記ヒートシールバー２９におけ
るカウンタレール２８と対向する面には、上下方向に所
定の間隔を置いて、かつ、前記包材１０に臨ませて第
１、第２の誘導加熱体３１、３２が凸状突起７７を伴っ
て配設される。In the figure, 28 is a counter rail, and 29 is a counter rail.
Is a heat seal bar, and the double-laid web-shaped packaging material 10 is sandwiched between the counter rail 28 and the heat seal bar 29. On the surface of the heat seal bar 29 facing the counter rail 28, the first and second induction heating bodies 31, 32 are projected at a predetermined interval in the vertical direction and face the packaging material 10. It is arranged with the projection 77.

【０００６】この場合、前記カウンタレール２８及びヒ
ートシールバー２９を互いに包材１０に向けて前進させ
ることによって、包材１０を挟み、横方向にシールする
ことができる。In this case, by advancing the counter rail 28 and the heat seal bar 29 toward the packaging material 10, the packaging material 10 can be sandwiched and laterally sealed.

【０００７】ところで、前記包材１０は、包装容器が形
成されたときの内側から外側に向けて、ポリエチレン
層、アルミ箔（はく）層、接着剤層、紙基材及びポリエ
チレン層から成る積層体構造を有する。したがって、二
重に重ねられた包材１０が、前記カウンタレール２８及
びヒートシールバー２９によって挟まれ、凸状突起７７
を伴った第１、第２の誘導加熱体３１、３２にシール電
圧を印加することによって加熱されると、前記包材１０
のうちの第１部分１０ａにおける最も内側のポリエチレ
ン層と、第２部分１０ｂにおける最も内側のポリエチレ
ン層とが、主として第１、第２の誘導加熱体３１、３２
に対応する部分及びその周辺において互いに押し付けら
れながら溶融させられる。その後、第１、第２の誘導加
熱体３１、３２へのシール電圧の印加が停止させられて
前記第１、第２の誘導加熱体３１、３２に対応する部分
が冷却されると、前記第１部分１０ａ及び第２部分１０
ｂにおける第１、第２の誘導加熱体３１、３２に対応す
る部分に、第１、第２の横シール部分Ｓ１、Ｓ２から成
るシール部分Ｓが形成される。By the way, the packaging material 10 is a laminate comprising a polyethylene layer, an aluminum foil (foil) layer, an adhesive layer, a paper base material and a polyethylene layer from the inside to the outside when the packaging container is formed. It has a body structure. Therefore, the double-layered packaging material 10 is sandwiched by the counter rail 28 and the heat seal bar 29, and the convex projection 77 is formed.
When heated by applying a sealing voltage to the first and second induction heating bodies 31 and 32 accompanied by
The innermost polyethylene layer in the first portion 10a and the innermost polyethylene layer in the second portion 10b are mainly the first and second induction heating bodies 31, 32.
Are melted while being pressed against each other in the portion corresponding to and. After that, when the application of the seal voltage to the first and second induction heating bodies 31 and 32 is stopped and the portions corresponding to the first and second induction heating bodies 31 and 32 are cooled, the first and second induction heating bodies 31 and 32 are cooled. First portion 10a and second portion 10
A seal portion S composed of the first and second lateral seal portions S1 and S2 is formed in a portion of b corresponding to the first and second induction heating bodies 31 and 32.

【０００８】次に、カッター部５０においてシール部Ｓ
を切離し個々の容器に形成されるが、このカッター部に
おいて、カウンターレール２８に内蔵されたカッター５
１が包材１０（１０ａと１０ｂ）を突き切るときにカッ
ター５１の先端部が損傷しない様にヒートシールバー２
９にカッター逃がし部５５が形成されている。Next, in the cutter portion 50, the seal portion S
Are separated from each other and formed into individual containers. In this cutter part, the cutter 5 built in the counter rail 28 is
The heat seal bar 2 prevents the tip of the cutter 51 from being damaged when 1 cuts through the packaging material 10 (10a and 10b).
A cutter escape portion 55 is formed at 9.

【０００９】[0009]

【発明が解決しようとする課題】しかしながら、前記従
来のシール装置においては、カッター部においてカッタ
ーが包材１０（１０ａと１０ｂ）を突き切るときにカッ
ター５１の先端部が損傷しない様にヒートシールバー２
９にカッター逃がし部５５が形成されている為に、包材
１０が横シールの為にカウンターレール２８とヒートシ
ールバー２９によって押さえつけられた際に、該カッタ
ー逃がし部５５の包材１０に対応する部分には背圧がか
けられないので該カッター逃がし部５５付近の包材１０
ａと１０ｂの間に内容液が液たまり５９として残留す
る。従って、包材がＳ部にて個々に切離された時に前記
液たまり５９が滞留している為に、消費者に容器として
使用されるまでの間に該液たまりの液が腐敗したりする
恐れがあり不衛生であるとともに、前記切離されて容器
が形成される時にフラップ７１が容器壁に固着する際
に、前記液たまりの液が間接的にフラップが容器に固着
する領域に移行した場合にはフラップの固着力が減少し
場合に依れば固着しない不良品としての容器が形成され
ることがある。However, in the above-mentioned conventional sealing device, the heat seal bar is provided so that the tip portion of the cutter 51 is not damaged when the cutter cuts through the packaging material 10 (10a and 10b) in the cutter portion. Two
Since the cutter escape portion 55 is formed on the blade 9, when the packaging material 10 is pressed by the counter rail 28 and the heat seal bar 29 for lateral sealing, it corresponds to the packaging material 10 of the cutter escape portion 55. Since no back pressure is applied to the portion, the packaging material 10 near the cutter relief portion 55
The content liquid remains as a pool 59 between a and 10b. Therefore, since the liquid pool 59 remains when the packaging material is individually cut off at the S portion, the liquid in the liquid pool may be decomposed before it is used as a container by the consumer. There is a risk of being unsanitary, and when the flap 71 adheres to the container wall when the container is formed by being cut off, the liquid in the liquid pool indirectly moves to the region where the flap adheres to the container. In some cases, the flap sticking force may decrease, and in some cases, a defective container that does not stick may be formed.

【００１０】本発明は、前記従来のシール装置の問題点
を解決して、包装容器の衛生面および成形性を十分に高
くすることができるシール装置を提供することを目的と
する。An object of the present invention is to solve the problems of the conventional sealing device and to provide a sealing device capable of sufficiently enhancing the hygienic surface and the moldability of a packaging container.

【００１１】[0011]

【課題を解決するための手段】そのために、本発明のシ
ール装置においては、 ヒートシールジョーと、平行に
配設された二つの加熱体を備え、前記ヒートシールジョ
ーの前端に取り付けられたヒートシールバーと、前記ヒ
ートシールジョーと対向させて配設されたカウンタジョ
ーと、該カウンタジョーの前端に取り付けられたカウン
タレールと、前記ヒートシールジョーとカウンタジョー
とを相対的に進退させる駆動手段と前記ヒートシールジ
ョー及びカウンタジョーによって包材を挟んだ状態で、
前記加熱体を作動させる加熱手段とを有するとともに、
前記二つの加熱体の中間にカッターとカウンターカッタ
ーからなるカッター部が設けられ。そして前記カウンタ
ーカッターは弾力性材料で形成され、該カウンターカッ
ターを保持する為の保持部に装着される。さらに前記ヒ
ートシールジョー及びカウンタジョーによって前記包材
が挟まれない状態で、前記カウンターカッターの一部が
前記保持部の入口表面から突出した状態で前記保持部に
装着する。また、本発明の他のシール装置においては、
前記カウンターカッターは保持部に嵌合によって装着す
る。Therefore, in the sealing device of the present invention, a heat seal jaw and two heating elements arranged in parallel are provided, and a heat seal attached to the front end of the heat seal jaw. A bar, a counter jaw arranged to face the heat-sealing jaw, a counter rail attached to the front end of the counter-jaw, a driving means for moving the heat-sealing jaw and the counter-jaw relative to each other, and With the packaging material sandwiched by the heat seal jaws and counter jaws,
While having a heating means for operating the heating body,
A cutter unit including a cutter and a counter cutter is provided between the two heating bodies. The counter cutter is made of an elastic material and is attached to a holding portion for holding the counter cutter. Further, in a state where the packaging material is not sandwiched by the heat seal jaw and the counter jaw, the counter cutter is attached to the holding portion with a part of the counter cutter protruding from the inlet surface of the holding portion. Further, in another sealing device of the present invention,
The counter cutter is attached to the holding portion by fitting.

【００１２】[0012]

【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照しながら詳細に説明する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

【００１３】図１は本発明の実施の形態におけるシール
装置によるカッター部の説明図である。図２は本発明の
実施の形態におけるカッターカウンターの詳細断面図で
ある。図４は包材が縦シールされて内容液が充填された
のち、横シールされて容器が形成される説明図である。FIG. 1 is an explanatory view of a cutter portion of a sealing device according to an embodiment of the present invention. FIG. 2 is a detailed cross-sectional view of the cutter counter according to the embodiment of the present invention. FIG. 4 is an explanatory diagram in which the packaging material is vertically sealed and filled with the content liquid, and then laterally sealed to form a container.

【００１４】図において、１０は可撓性の積層材料から
成るチューブ状の包材であり、ウェブ状の包材１０を湾
曲させ、両縁を長手方向にシールすることによって形成
される。In the figure, 10 is a tube-shaped packaging material made of a flexible laminated material, which is formed by bending the web-shaped packaging material 10 and sealing both edges in the longitudinal direction.

【００１５】前記包材１０は連続的に下方に搬送されて
シール装置に送られ、該シール装置において、所定の間
隔ごとに二つの密封ユニット１４、１５によって挟ま
れ、横方向にシールされてシール部分Ｓが形成される。
その間、包材１０内には上方から液体食品１２が充填さ
れる。そのために、前記密封ユニット１４、１５は、い
ずれも、カウンタジョー１４ａ、１５ａ及びヒートシー
ルジョー１４ｂ、１５ｂを有する。なお、カウンタジョ
ー１４ａ、１５ａは、ヒートシールジョー１４ｂ、１５
ｂと対向させて配設される。The packaging material 10 is continuously conveyed downward and sent to a sealing device, where it is sandwiched between two sealing units 14 and 15 at a predetermined interval, and sealed laterally to seal. A portion S is formed.
During that time, the packaging material 10 is filled with the liquid food 12 from above. Therefore, each of the sealing units 14 and 15 has counter jaws 14a and 15a and heat sealing jaws 14b and 15b. The counter jaws 14a and 15a are the heat seal jaws 14b and 15
It is arranged so as to face b.

【００１６】そして、２８はカウンタジョー１４ａ、１
５ａの前端に取り付けられたカウンタレール、２９はヒ
ートシールジョー１４ｂ、１５ｂの前端に取り付けられ
たヒートシールバー、図示しないがヒートシールジョー
１４ｂ、１５ｂとカウンタジョー１４ａ、１５ａとを相
対的に進退（図３における左右方向に移動）させる駆動
手段としてのシリンダーが装着される。28 is a counter jaw 14a, 1
5a is a counter rail attached to the front end, 29 is a heat seal bar attached to the front ends of the heat seal jaws 14b and 15b, and although not shown, the heat seal jaws 14b and 15b and the counter jaws 14a and 15a are relatively moved forward and backward ( A cylinder is mounted as a driving means for moving (left and right in FIG. 3).

【００１７】また、２１ａ、２１ｂは、それぞれカウン
タジョー１４ａ、１５ａ及びヒートシールジョー１４
ｂ、１５ｂに対して揺動自在に支持され、包材１０を包
囲して案内する一対の成形フラップであり、該成形フラ
ップ２１ａ、２１ｂは、包材１０を成形して矩（く）形
状にする。Further, 21a and 21b are counter jaws 14a and 15a and heat seal jaw 14, respectively.
b and 15b are a pair of molding flaps that are swingably supported and surround and guide the packaging material 10. The molding flaps 21a and 21b are formed into a rectangular shape by molding the packaging material 10. To do.

【００１８】ところで、密封ユニット１４は、図３に示
されるように密封開始位置から該密封開始位置におい
て、カウンタジョー１４ａ及びヒートシールジョー１４
ｂを互いに包材１０に向けて前進させ、包材１０を両側
から挟持する。そして、密封ユニット１４は、包材１０
を挟持したまま下方に移動し、その間にヒートシールバ
ー１９及びカウンタレール１８がシール部分Ｓを強く押
圧し、ヒートシールバー１９が包材１０のアルミ箔層を
誘導加熱によって発熱させ、包材１０を横方向にシール
する。By the way, as shown in FIG. 3, the sealing unit 14 has a counter jaw 14a and a heat seal jaw 14 from the sealing start position to the sealing start position.
b are moved toward each other toward the packaging material 10 to sandwich the packaging material 10 from both sides. Then, the sealing unit 14 includes the packaging material 10.
The heat seal bar 19 and the counter rail 18 strongly press the seal portion S therebetween while sandwiching the sheet, and the heat seal bar 19 causes the aluminum foil layer of the packaging material 10 to generate heat by induction heating. Seal horizontally.

【００１９】一方、前記密封ユニット１５は、図３に示
されるように密封終了位置にあり、該密封終了位置にお
いて、カウンタジョー１５ａ及びヒートシールジョー１
５ｂは、互いに後退させられた後、上昇させられ、前記
密封開始位置に再度移動させられる。そして、前記密封
ユニット１５が前記密封開始位置に移動して、カウンタ
ジョー１５ａ及びヒートシールジョー１５ｂが前進を開
始し始めたときには、密封ユニット１４によるシールが
終了する。On the other hand, the sealing unit 15 is at the sealing end position as shown in FIG. 3, and at the sealing end position, the counter jaw 15a and the heat seal jaw 1 are placed.
The parts 5b are retracted from each other, then raised, and moved to the sealing start position again. Then, when the sealing unit 15 moves to the sealing start position and the counter jaws 15a and the heat sealing jaws 15b start to move forward, the sealing by the sealing unit 14 ends.

【００２０】このようにしてシールが行われた後、包材
１０はカッター部のカッターによって前記各シール部分
Ｓの中央が切断され、原型容器が形成される。続いて、
該原型容器は、図示されない成形部に送られ、所定の形
状に成形されるとともに容器上下のフラップが容器に固
着されて所望の容器になる。After the sealing is performed in this way, the center of each of the sealing portions S of the packaging material 10 is cut by the cutter of the cutter portion to form a prototype container. continue,
The prototype container is sent to a molding unit (not shown), molded into a predetermined shape, and upper and lower flaps of the container are fixed to the container to form a desired container.

【００２１】次に、前記密封ユニット１４、１５による
シール方法について説明する。Next, a sealing method by the sealing units 14 and 15 will be described.

【００２２】図１において、２８はカウンタレール、２
９はヒートシールバーであり、カウンタレール２８とヒ
ートシールバー２９との間に二重に重ねられた包材１０
が挟まれ、横方向にシールされる。前記ヒートシールバ
ー２９におけるカウンタレール２８と対向する面には、
上下方向に所定の間隔を置いて、かつ、前記包材１０に
臨ませて、平行に配設された二つの加熱体としての第
１、第２の誘導加熱体３１、３２が凸状突起を伴って配
設される。該第１、第２の誘導加熱体３１、３２は、中
に冷却水を通すことができるように、チューブ状の形状
を有する。In FIG. 1, 28 is a counter rail, 2
Reference numeral 9 denotes a heat seal bar, which is a double layered packaging material 10 between the counter rail 28 and the heat seal bar 29.
Are sandwiched and sealed laterally. On the surface of the heat seal bar 29 facing the counter rail 28,
The first and second induction heating bodies 31 and 32 as two heating bodies arranged in parallel at a predetermined interval in the vertical direction and facing the packaging material 10 have convex protrusions. It is arranged with it. The first and second induction heating bodies 31, 32 have a tubular shape so that cooling water can pass therethrough.

【００２３】前記包材１０は、包装容器が形成されたと
きの内側から外側に向けて、ポリエチレン層ｍ１、図示
されないアルミ箔層、図示されない接着剤層、紙基材ｍ
２及びポリエチレン層ｍ３から成る積層体構造を有す
る。The packaging material 10 includes a polyethylene layer m1, an aluminum foil layer (not shown), an adhesive layer (not shown), and a paper base material m from inside to outside when the packaging container is formed.
2 and a polyethylene layer m3.

【００２４】そして、前記カウンタレール２８及びヒー
トシールバー２９を互いに包材１０に向けて前進させる
ことによって、包材１０を挟み、横方向にシールするこ
とができる。すなわち、二重に重ねられた包材１０が前
記カウンタレール２８及びヒートシールバー２９によっ
て挟まれた状態で、図示されない制御部の加熱手段が、
凸状突起を伴った第１、第２の誘導加熱体３１、３２を
作動させ、シール電圧を印加することによって包材１０
を加熱すると、包材１０のうちの第１部分１０ａにおけ
る最も内側のポリエチレン層ｍ１と、第２部分１０ｂに
おける最も内側のポリエチレン層ｍ１とが、主として第
１、第２の誘導加熱体３１、３２に対応する部分及びそ
の周辺において互いに押し付けられながら溶融させられ
る。その後、第１、第２の誘導加熱体３１、３２へのシ
ール電圧の印加が停止させられて前記第１、第２の誘導
加熱体３１、３２に対応する部分が冷却されると、前記
第１部分１０ａ及び第２部分１０ｂにおける第１、第２
の誘導加熱体３１、３２に対応する部分に、第１、第２
の横シール部分Ｓ１、Ｓ２から成るシール部分Ｓが形成
される。Then, by advancing the counter rail 28 and the heat seal bar 29 toward the packaging material 10, the packaging material 10 can be sandwiched and laterally sealed. That is, in a state where the double-layered packaging material 10 is sandwiched by the counter rail 28 and the heat seal bar 29, the heating means of the control unit (not shown)
By operating the first and second induction heating bodies 31 and 32 having convex projections and applying a sealing voltage, the packaging material 10
When heated, the innermost polyethylene layer m1 in the first portion 10a of the packaging material 10 and the innermost polyethylene layer m1 in the second portion 10b are mainly the first and second induction heating bodies 31, 32. Are melted while being pressed against each other in the portion corresponding to and. After that, when the application of the seal voltage to the first and second induction heating bodies 31 and 32 is stopped and the portions corresponding to the first and second induction heating bodies 31 and 32 are cooled, the first and second induction heating bodies 31 and 32 are cooled. The first and second portions of the first portion 10a and the second portion 10b
In the portion corresponding to the induction heating body 31, 32 of the
A seal portion S composed of the horizontal seal portions S1 and S2 is formed.

【００２５】次に、カッター部５０においてシール部Ｓ
を切離し個々の容器に形成されるが、該カッター部は、
カウンターレール２８に内蔵されたカッター５１及びヒ
ートシールバー２９に内蔵されたカウンターカッター５
３で形成されている。ここで、前記カウンターカッター
は例えばゴムのような弾力性緩衝材料で形成され、該カ
ウンターカッターを保持する為の保持部に装着されてお
り、しかも、前記ヒートシールジョー及びカウンタジョ
ーによって前記包材が挟まれない状態では、前記カウン
ターカッターの一部が前記保持部の入口表面から突出し
た状態で前記保持部に装着されている。従って、カッタ
ーが包材１０（１０ａと１０ｂ）を突き切る際に、包材
１０が横シールの為にカウンターレール２８とヒートシ
ールバー２９によって押さえつけられた際に、該カッタ
ー部５５の包材１０に対応してカウンターカッターの弾
性反発力による背圧が十分かかるので該カウンターカッ
ター５３付近の包材１０ａと１０ｂの間に液たまりは発
生しない。Next, in the cutter portion 50, the seal portion S
Is formed into individual containers by separating the
Cutter 51 built in the counter rail 28 and counter cutter 5 built in the heat seal bar 29
It is formed by 3. Here, the counter cutter is formed of an elastic cushioning material such as rubber, and is attached to a holding portion for holding the counter cutter, and moreover, the packaging material is attached by the heat seal jaw and the counter jaw. In a state where the counter cutter is not sandwiched, a part of the counter cutter is attached to the holding part in a state of protruding from the inlet surface of the holding part. Therefore, when the cutter cuts through the packaging material 10 (10a and 10b), when the packaging material 10 is pressed by the counter rail 28 and the heat seal bar 29 for lateral sealing, the packaging material 10 of the cutter portion 55 is Corresponding to the above, since the back pressure due to the elastic repulsive force of the counter cutter is sufficiently applied, the liquid pool does not occur between the packaging materials 10a and 10b near the counter cutter 53.

【００２６】また前記カウンターカッターは弾力性緩衝
材料で形成されているので、該カウンターカッターを保
持する為の保持部に装着されることカッター５１が包材
１０（１０ａと１０ｂ）を突き切るときにカッター５１
の先端部が前記弾力性緩衝材料に当たった場合でも衝撃
を最低限に押さえることができるのでカッター５１の先
端の摩耗損傷を極力おさえられる。従ってカッターの寿
命を長く保持することができる。Further, since the counter cutter is formed of an elastic buffer material, it should be mounted on a holding portion for holding the counter cutter when the cutter 51 cuts through the packaging material 10 (10a and 10b). Cutter 51
Even if the tip of the cutter hits the elastic cushioning material, the impact can be suppressed to the minimum, so that the wear damage of the tip of the cutter 51 can be suppressed as much as possible. Therefore, the life of the cutter can be kept long.

【００２７】図２を用いて、さらに詳しく説明する。図
Ａは包材１０がカウンターレール２８とヒートシールバ
ー２９によって押さえつけられる前のカウンターカッタ
ーの状態。図Ｂは包材１０が横シールの為にカウンター
レール２８とヒートシールバー２９によって押さえつけ
られた時のカウンターカッターの状態を示す。この時、
Ｒ１、Ｒ２はそれぞれカウンターカッターが保持部から
突出している長さである。従ってＲ１−Ｒ２の変位長さ
に相当する弾性反発力Ｐが生じる。 Ｐ＝ＥｘＳ（Ｒ１−Ｒ２）／Ｑ Ｅ：弾性係数 Ｓ：カウンターカッターの変位部の断面
積A more detailed description will be given with reference to FIG. FIG. A shows the state of the counter cutter before the packaging material 10 is pressed by the counter rail 28 and the heat seal bar 29. FIG. B shows the state of the counter cutter when the packaging material 10 is pressed down by the counter rail 28 and the heat seal bar 29 for lateral sealing. At this time,
R1 and R2 are the lengths of the counter cutter protruding from the holding portion. Therefore, an elastic repulsive force P corresponding to the displacement length of R1-R2 is generated. P = ExS (R1-R2) / Q E: Modulus of elasticity S: Cross-sectional area of the displacement part of the counter cutter

【００２８】さらに、他の発明の実施の形態によると、
図２に示すようにカッターカウンターの保持部のＫ１部
がＫ２部よりも狭くなっており、カッターカウンターを
嵌合によって保持されるので、カウンターカッターの交
換が必要になった場合にワンタッチで容易に脱着するこ
とができるので交換の手間暇を最小限にできる。Further, according to another embodiment of the invention,
As shown in Fig. 2, the K1 part of the cutter counter holding part is narrower than the K2 part, and the cutter counter is held by fitting, so if the counter cutter needs to be replaced, it can be done easily with one touch. Since it can be detached, the time and effort of replacement can be minimized.

【００２９】この様に本発明は、前記従来のシール装置
の問題点を解決して、包装容器の衛生面および成形性を
十分に高くすることができるシール装置を提供すること
を目的とする。As described above, an object of the present invention is to solve the problems of the conventional sealing device and to provide a sealing device capable of sufficiently enhancing the hygienic aspect and the moldability of the packaging container.

【００３０】なお、本発明は前記実施の形態に限定され
るものではなく、本発明の趣旨に基づいて種々変形させ
ることが可能であり、それらを本発明の範囲から排除す
るものではない。例えば図７に示すように、ヒートシー
ルバーは突状でなく平面状を持つヒートシールバーであ
ってもよいし、ヒートシールの方法は誘導加熱以外の超
音波加熱や抵抗熱によるものであっても問題ない。ま
た、カウンターカッターの断面形状は、図２に示すよう
に、カウンターカッターのＲがそれぞれ保持部から突出
しておりＲ１−Ｒ２の変位長さに相当する弾性反発力Ｐ
が生じ、且つカッターカウンターの保持部のＫ１部がＫ
２部よりも狭くなってカッターカウンターを嵌合によっ
て保持される形状であればよいので、状況に応じて様々
な断面形状が考案できる。The present invention is not limited to the above-mentioned embodiments, but can be variously modified within the scope of the present invention, and they are not excluded from the scope of the present invention. For example, as shown in FIG. 7, the heat-sealing bar may be a heat-sealing bar having a flat shape instead of a protruding shape, and the heat-sealing method may be ultrasonic heating other than induction heating or resistance heating. Is no problem. In addition, as shown in FIG. 2, the counter cutter has a cross-sectional shape in which Rs of the counter cutter project from the holding portion, respectively, and an elastic repulsion force P corresponding to a displacement length of R1-R2.
Occurs, and the K1 part of the cutter counter holding part is K
Since the shape is narrower than the two parts and the cutter counter can be held by fitting, various cross-sectional shapes can be devised depending on the situation.

【００３１】[0031]

【発明の効果】以上詳細に説明したように、本発明によ
れば、シール装置においては、ヒートシールジョーと、
平行に配設された二つの加熱体を備え、前記ヒートシー
ルジョーの前端に取り付けられたヒートシールバーと、
前記ヒートシールジョーと対向させて配設されたカウン
タジョーと、該カウンタジョーの前端に取り付けられた
カウンタレールと、前記ヒートシールジョーとカウンタ
ジョーとを相対的に進退させる駆動手段と、前記ヒート
シールジョー及びカウンタジョーによって包材を挟んだ
状態で、前記加熱体を作動させる加熱手段とを有する。
そして前記二つの加熱体の中間にカッターとカウンター
カッターからなるカッター部が設けられる。As described above in detail, according to the present invention, in the sealing device, the heat sealing jaw and
A heat seal bar attached to the front end of the heat seal jaw, comprising two heating elements arranged in parallel,
A counter jaw arranged to face the heat seal jaw, a counter rail attached to the front end of the counter jaw, a drive means for relatively moving the heat seal jaw and the counter jaw back and forth, and the heat seal. A heating means for operating the heating body with the packaging material sandwiched between the jaw and the counter jaw.
A cutter unit including a cutter and a counter cutter is provided between the two heating bodies.

【００３２】従って、包材がＳ部にて個々に切離された
時に前記液たまりが滞留しない為に、消費者に容器とし
て使用されるまでの間に衛生的であるとともに、前記切
離されて容器の形成される為にフラップ７１が容器壁に
固着する際に、液たまりによりが間接的にフラップが容
器に固着する領域に移行してフラップの固着力が減少し
固着しない不良品としての容器が形成されることがな
い。さらに、前記カッターは弾力性緩衝材料によるカウ
ンターカッターと該カウンターカッターを保持する保持
部とから形成される。従ってカウンターカッターを保持
部に納めることができるとともにカッターの寿命を長く
保持することができる。さらに、前記カウンターカッタ
ーの保持部は前記弾力性緩衝材料を嵌合によって保持す
る。従って、カウンターカッターをワンタッチで容易に
脱着することができるので交換の手間暇を最小限にでき
る。Therefore, since the liquid pool does not stay when the packaging material is individually separated at the S portion, it is hygienic before being used as a container by the consumer, and the separation is performed. When the flap 71 adheres to the container wall due to the formation of the container as a result of the formation of a container, a liquid pool moves indirectly to the region where the flap adheres to the container and the adhesion force of the flap decreases, resulting in a defective product that does not adhere. No container is formed. Further, the cutter is formed of a counter cutter made of an elastic cushioning material and a holding portion for holding the counter cutter. Therefore, the counter cutter can be housed in the holding portion and the life of the cutter can be kept long. Further, the holding portion of the counter cutter holds the elastic cushioning material by fitting. Therefore, the counter cutter can be easily attached / detached with one touch, and the time and effort for replacement can be minimized.

【００３３】[0033]

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施の形態におけるシール装置による
カッター部の説明図である。FIG. 1 is an explanatory diagram of a cutter portion of a sealing device according to an embodiment of the present invention.

【図２】本発明の実施の形態におけるカッターカウンタ
ーの詳細断面図である。FIG. 2 is a detailed cross-sectional view of a cutter counter according to the embodiment of the present invention.

【図３】内容液が充填された包材を横シールするための
シール装置の概略図である。FIG. 3 is a schematic view of a sealing device for laterally sealing a packaging material filled with a content liquid.

【図４】包材が縦シールされて内容液が充填されたの
ち、横シールされて容器が形成される説明図である。FIG. 4 is an explanatory diagram in which a packaging material is vertically sealed and filled with a content liquid, and then laterally sealed to form a container.

【図５】従来の密封ユニットによるカッターカウンター
部の説明図である。FIG. 5 is an explanatory diagram of a cutter counter portion using a conventional sealing unit.

【図６】内容液が充填された容器のフラップの折り畳み
を示す斜視図である。FIG. 6 is a perspective view showing folding of a flap of a container filled with a content liquid.

【図７】本発明の実施の形態におけるシール装置で、突
状を持つヒートシールバーによるシール装置の説明図で
ある。FIG. 7 is an explanatory diagram of the sealing device according to the embodiment of the present invention, which includes a protruding heat seal bar.

【符号の説明】[Explanation of symbols]

１０ 包材 １４ａ、１５ａ カウンタジョー １４ｂ、１５ｂ ヒートシールジョー ２８ カウンターレール ２９ ヒートシールバー ３１、３２ 第１、第２の誘導加熱体 ５０ カッター部 ５１ カッター ５２ 保持部 ５３ カウンターカッター ５５ カッター逃がし部 ５９ 液たまり ７１ フラップ ７５ 容器 ７７ 凸状突起 10 packaging materials 14a, 15a Counter jaw 14b, 15b heat seal jaws 28 counter rails 29 Heat seal bar 31, 32 First and second induction heating bodies 50 Cutter part 51 cutter 52 holding unit 53 counter cutter 55 Cutter relief section 59 liquid pool 71 flaps 75 containers 77 Convex projection

───────────────────────────────────────────────────── フロントページの続き (72)発明者 矢野 孝林 東京都千代田区紀尾井町６番12号 日本テ トラパック株式会社内 Ｆターム(参考） 3E094 AA03 BA02 BA12 CA01 CA21 DA01 DA03 DA08 EA03 FA05 FA14 GA03 HA08 HA12    ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takabayashi Yano             6-12 Kioicho, Chiyoda-ku, Tokyo, Japan             Inside Trapack Co., Ltd. F-term (reference) 3E094 AA03 BA02 BA12 CA01 CA21                       DA01 DA03 DA08 EA03 FA05                       FA14 GA03 HA08 HA12

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 （ａ）ヒートシールジョーと、（ｂ）平
行に配設された二つの加熱体を備え、前記ヒートシール
ジョーの前端に取り付けられたヒートシールバーと、
（ｃ）前記ヒートシールジョーと対向させて配設された
カウンタジョーと、（ｄ）該カウンタジョーの前端に取
り付けられたカウンタレールと、（ｅ）前記ヒートシー
ルジョーとカウンタジョーとを相対的に進退させる駆動
手段と、（ｆ）前記ヒートシールジョー及びカウンタジ
ョーによって包材を挟んだ状態で、前記加熱体を作動さ
せる加熱手段とを有するとともに、（ｇ）前記二つの加
熱体の中間にカッターとカウンターカッターからなるカ
ッター部が設けられることを特徴とするシール装置であ
って、前記カウンターカッターは弾力性緩衝材料で形成
され、該カウンターカッターを保持する為の保持部に装
着されるとともに、前記ヒートシールジョー及びカウン
タジョーによって前記包材が挟まれない状態では、前記
カウンターカッターの一部が前記保持部の入口表面から
突出した状態で前記保持部に装着される事を特徴とする
シール装置。1. A heat seal jaw, comprising: (a) a heat seal jaw; and (b) two heating elements arranged in parallel, and a heat seal bar attached to a front end of the heat seal jaw,
(C) A counter jaw arranged to face the heat-seal jaw, (d) a counter rail attached to the front end of the counter jaw, and (e) the heat-seal jaw and the counter jaw relative to each other. It has a drive means for advancing and retreating, and (f) a heating means for operating the heating body with the packaging material sandwiched by the heat sealing jaw and the counter jaw, and (g) a cutter in the middle of the two heating bodies. And a counter cutter provided with a cutter unit, wherein the counter cutter is formed of an elastic buffer material, and is attached to a holding unit for holding the counter cutter, and When the packaging material is not sandwiched by the heat seal jaws and the counter jaws, the counter cutter Sealing device, characterized in that a part is mounted on the holding portion so as to protrude from the inlet surface of the holding portion of the. 【請求項２】 前記カウンターカッターは保持部に嵌合
によって装着される請求項１に記載のシール装置。2. The sealing device according to claim 1, wherein the counter cutter is attached to the holding portion by fitting.
JP2001370935A 2001-12-05 2001-12-05 Sealing device Expired - Lifetime JP4007803B2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP2001370935A JP4007803B2 (en) 2001-12-05 2001-12-05 Sealing device
CNB028278615A CN100402380C (en) 2001-12-05 2002-12-03 Sealing unit
ES02786009T ES2360606T3 (en) 2001-12-05 2002-12-03 SEALING APPLIANCE.
US10/497,649 US7389623B2 (en) 2001-12-05 2002-12-03 Seal apparatus
EP02786009A EP1452451B1 (en) 2001-12-05 2002-12-03 Sealing apparatus
KR1020047008556A KR101017197B1 (en) 2001-12-05 2002-12-03 Sealing unit
PCT/JP2002/012622 WO2003047978A1 (en) 2001-12-05 2002-12-03 Sealing unit
AT02786009T ATE506260T1 (en) 2001-12-05 2002-12-03 SEALING DEVICE
AU2002354175A AU2002354175B2 (en) 2001-12-05 2002-12-03 Sealing unit
DE60239826T DE60239826D1 (en) 2001-12-05 2002-12-03 SEAL DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001370935A JP4007803B2 (en) 2001-12-05 2001-12-05 Sealing device

Publications (2)

Publication Number Publication Date
JP2003170915A true JP2003170915A (en) 2003-06-17
JP4007803B2 JP4007803B2 (en) 2007-11-14

Family

ID=19180078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001370935A Expired - Lifetime JP4007803B2 (en) 2001-12-05 2001-12-05 Sealing device

Country Status (10)

Country Link
US (1) US7389623B2 (en)
EP (1) EP1452451B1 (en)
JP (1) JP4007803B2 (en)
KR (1) KR101017197B1 (en)
CN (1) CN100402380C (en)
AT (1) ATE506260T1 (en)
AU (1) AU2002354175B2 (en)
DE (1) DE60239826D1 (en)
ES (1) ES2360606T3 (en)
WO (1) WO2003047978A1 (en)

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EP1452451B1 (en) 2011-04-20
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KR20040071170A (en) 2004-08-11
ES2360606T3 (en) 2011-06-07

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